Automatic tensioning device for round pipe belt conveyor

Abstract

The utility model discloses an automatic tensioning device used for a round pipe belt conveyor, and relates to the technical field of conveyor accessory equipment, the automatic tensioning device specifically comprises a detection guide structure and an adjusting structure, the detection guide structure comprises a fixing frame, one side of the fixing frame is provided with a first roller set, the other side of the fixing frame is provided with a second roller set, and the first roller set is provided with a second roller set; the first roller set and the second roller set each comprise a guide roller and a detection roller, the guide rollers and the detection rollers are in a vertical distribution state, and the guide rollers are located above the detection rollers. According to the automatic tensioning device for the round pipe belt conveyor, through the arrangement of the adjusting structure, the first adjusting roller can move in the vertical direction and the horizontal direction, the moving range of the first adjusting roller is enlarged, and the adaptability of the automatic tensioning device is improved; through the arrangement of the second adjusting roller and the movement of the second adjusting roller and the first adjusting roller, tensioning of the conveying belt can be achieved, and then the working efficiency of the automatic tensioning device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveyor accessory equipment technical field, concretely for a kind of automatic tensioning device for round pipe belt conveyor. BACKGROUND

[0002] Round pipe belt conveyor is a kind of equipment that uses carrier roller group to force the surrounding of conveying belt into round pipe shape in transition section, so that bulk material is enclosed and runs, which can realize the environmental protection and non-pollution bulk material conveying. When the round pipe belt conveyor is used, the tension of the conveying belt needs to be adjusted to compensate for the elastic elongation of the conveying belt. Currently, the automatic tensioning device usually uses a telescopic rod to drive the tensioning roller to press the conveying belt in the vertical direction to ensure that the conveying belt always maintains appropriate tension. However, when the conveying belt is relatively loose, the tensioning roller needs to have a large moving space in the vertical direction, which limits its use. Therefore, the present application provides an automatic tensioning device for round pipe belt conveyor. SUMMARY

[0003] The utility model provides a kind of automatic tensioning device for round pipe belt conveyor, solve the limited moving space of tensioning roller in vertical direction in the background technology proposed above, and the problem that automatic tensioning device use is easily limited.

[0004] The utility model provides the following technical scheme: an automatic tensioning device for round pipe belt conveyor, comprising a detection guide structure and an adjusting structure, the detection guide structure comprises a fixed frame, one side of the fixed frame is provided with a first roller group, the other side of the fixed frame is provided with a second roller group, the first roller group and the second roller group both comprise a guide roller and a detection roller, the guide roller and the detection roller are in a vertical distribution state, and the guide roller is located above the detection roller, a pressure sensor one is arranged on the fixed frame;

[0005] The adjusting structure is arranged between the first roller group and the second roller group, and the adjusting structure comprises a positioning plate, a hydraulic telescopic rod one, a first adjusting roller and a second adjusting roller, the hydraulic telescopic rod one is connected with the fixed frame through a hydraulic telescopic rod two, two hydraulic telescopic rod ones are connected through the positioning plate, the output shaft end of the hydraulic telescopic rod one is connected with a lifting plate, a pressure sensor two is arranged on the top of the lifting plate, the end of the first adjusting roller is movably connected with the top end of the lifting plate, and the second adjusting roller is connected with the top of the other side of the fixed frame through a hydraulic telescopic rod three.

[0006] Preferably, the lifting plate is L-shaped, the horizontal end of the lifting plate is connected with the output shaft end of the hydraulic telescopic rod one, the vertical end of the lifting plate is located below the positioning plate, and the lifting plate is located outside the fixed frame; the distance between the top of the vertical end of the lifting plate and the top of the first adjusting roller is not less than the thickness of the conveying belt of the round pipe belt conveyor.

[0007] Preferably, the telescopic direction of the hydraulic telescopic rod three is opposite to the telescopic direction of the hydraulic telescopic rod two.

[0008] Preferably, the output shaft end of the hydraulic telescopic rod three is connected with a moving frame, and the end of the second adjusting roller is movably connected with the side of the moving frame close to the hydraulic telescopic rod two.

[0009] Preferably, the second adjusting roller is located below the side of the positioning plate close to the second roller group, the distance between the second adjusting roller and the first adjusting roller is not less than the thickness value of the pipe belt conveyor belt, and the sum of the thickness value of the pipe belt conveyor belt and the outer diameter value of the first adjusting roller is greater than the distance between the second adjusting roller and the positioning plate.

[0010] Preferably, the end of the detection roller is fixedly connected with a rotating roller, the fixed frame is provided with a through hole, the rotating roller is movably connected with the inner cavity of the through hole, the pressure sensor one is arranged in the through hole, the detection end of the pressure sensor one is in contact with the bottom of the rotating roller, and the two detection rollers are at the same height.

[0011] Compared with the prior art, the automatic tensioning device has the following beneficial effects:

[0012] 1. The automatic tensioning device for the pipe belt conveyor utilizes the guide rollers to guide the conveying belt, so that the movement path of the conveying belt outside the guide rollers can remain unchanged, thereby facilitating the work of the pipe belt conveyor. The pressure sensor one can detect the force of the conveying belt acting on the detection roller in real time, and the automatic tensioning device can realize automatic tensioning of the conveying belt of the pipe belt conveyor according to the change of the detection force.

[0013] 2. The automatic tensioning device for the pipe belt conveyor is provided with the adjusting structure, so that the first adjusting roller can move in the vertical direction and the horizontal direction, the moving range of the first adjusting roller is increased, and the adaptability of the automatic tensioning device is improved. The second adjusting roller is provided, and the movement of the second adjusting roller and the first adjusting roller can both realize tensioning of the conveying belt, thereby improving the working efficiency of the automatic tensioning device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the utility model;

[0015] Figure 2 It is a back view of the structure of the utility model;

[0016] Figure 3 It is a structure of the utility model Figure 1 Right view schematic diagram;

[0017] Figure 4 It is the structure explosion schematic view of the utility model;

[0018] Figure 5 It is the structure use schematic view of the utility model.

[0019] In the drawing: 1, fixed frame; 2, guide roller; 3, detection roller; 4, hydraulic telescopic rod two; 5, hydraulic telescopic rod one; 6, positioning plate; 7, lifting plate; 8, hydraulic telescopic rod three; 9, second adjusting roller; 10, first adjusting roller; 11, pressure sensor two; 12, moving frame; 13, pressure sensor one; 14, rotating roller; 15, through hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Referring to Figures 1 to 5 The utility model provides a kind of automatic tensioner for round pipe belt conveyor, including detection guiding structure and adjusting structure, detection guiding structure includes fixed frame 1, one side of fixed frame 1 is equipped with first roller group, the other side of fixed frame 1 is equipped with second roller group, first roller group and second roller group are all including guide roller 2 and detection roller 3, guide roller 2 and detection roller 3 are in vertical distribution state, and guide roller 2 is located above detection roller 3, two detection rollers 3 are at the same height, two guide rollers 2 are at the same height, guide roller 2 and detection roller 3 are all movably connected with fixed frame 1, the automatic tensioner when in use, the conveying belt of round pipe belt conveyor is located between guide roller 2 and detection roller 3, as shown in Figure 5 .

[0022] The end of detection roller 3 is fixedly connected with rotating roller 14, fixed frame 1 is equipped with through hole, rotating roller 14 is movably connected with the inner cavity of through hole 15, pressure sensor one 13 is arranged in through hole 15, the detection end of pressure sensor one 13 is in contact with the bottom of rotating roller 14, by the arrangement of pressure sensor one 13, the acting force of conveying belt to detection roller 3 can be detected using pressure sensor one 13, according to the change of force, whether the conveying belt needs to be tensioned can be judged. The end of guide roller 2 is fixedly connected with another rotating roller 14, another rotating roller 14 is movably connected with fixed frame 1, guide roller 2 is movably connected with fixed frame 1 by another rotating roller 14.

[0023] The adjusting structure is arranged between the first roller group and the second roller group, and comprises a positioning plate 6, a hydraulic telescopic rod I 5, a first adjusting roller 10 and a second adjusting roller 9. The hydraulic telescopic rod I 5 is connected with the fixed frame 1 through a hydraulic telescopic rod II 4, the extension and retraction of the hydraulic telescopic rod II 4 can change the position of the hydraulic telescopic rod I 5, the two hydraulic telescopic rod I 5 are connected through the positioning plate 6, the output shaft end of the hydraulic telescopic rod I 5 is connected with a lifting plate 7, the end of the first adjusting roller 10 is movably connected with the top end of the lifting plate 7, the end of the first adjusting roller 10 is fixedly connected with a round rod, the other end of the round rod is movably connected with the lifting plate 7, the lifting plate 7 is L-shaped, the horizontal end of the lifting plate 7 is connected with the output shaft end of the hydraulic telescopic rod I 5, the vertical end of the lifting plate 7 is below the positioning plate 6, and the lifting plate 7 is located outside the fixed frame 1.

[0024] The top of the vertical end of the lifting plate 7 is provided with a pressure sensor II 11, the top of the vertical end of the lifting plate 7 is above the first adjusting roller 10, the distance between the top of the vertical end of the lifting plate 7 and the top of the first adjusting roller 10 is not less than the thickness value of the conveyor belt of the round pipe belt conveyor, in this way, when the lifting plate 7 is in contact with the bottom of the positioning plate 6, the conveyor belt will not be in contact with the positioning plate 6, thereby facilitating the work of the conveyor belt. The size of the lifting plate 7 can be set according to requirements, which is not limited here.

[0025] The second adjusting roller 9 is connected with the top of the other side of the fixed frame 1 through a hydraulic telescopic rod III 8, the extension direction of the hydraulic telescopic rod III 8 is opposite to that of the hydraulic telescopic rod II 4. The output shaft end of the hydraulic telescopic rod III 8 is connected with a moving frame 12, the moving frame 12 is located on the side of the second roller group close to the first roller group, and the end of the second adjusting roller 9 is movably connected with the side of the moving frame 12 close to the hydraulic telescopic rod II 4; the moving frame 12 is located inside the lifting plate 7, and the extension and retraction of the hydraulic telescopic rod III 8 can change the position of the second adjusting roller 9 through the arrangement of the hydraulic telescopic rod III 8.

[0026] The second adjusting roller 9 is located below the positioning plate 6 on the side close to the second roller group, the distance between the second adjusting roller 9 and the first adjusting roller 10 is not less than the thickness value of the pipe belt conveyor belt, the sum of the thickness value of the pipe belt conveyor belt and twice the outer diameter value of the first adjusting roller 10 is greater than the distance value between the second adjusting roller 9 and the positioning plate 6, in this way, when the first adjusting roller 10 moves horizontally, the first adjusting roller 10 can be located between the second adjusting roller 9 and the positioning plate 6, at this time, the second adjusting roller 9 can limit the pipe belt, so that the pipe belt can be tensioned, and the common movement of the first adjusting roller 10 and the second adjusting roller 9 can improve the tensioning speed of the pipe belt. The distance between the second adjusting roller 9 and the positioning plate 6 can be set according to requirements, which is not limited here.

[0027] From the above description, it can be seen that the automatic tensioning device can guide the pipe belt when in use, so that the movement path of the pipe belt outside the guide roller 2 can remain unchanged, facilitating the work of the pipe belt conveyor; the detection roller 3 can detect the tension of the pipe belt in real time, when the pipe belt needs to be tensioned, the adjusting structure works, the hydraulic telescopic rod 1 drives the first adjusting roller 10 to move in the vertical direction, so as to realize the tensioning of the pipe belt, if the space in the vertical direction is limited, the hydraulic telescopic rod 2 drives the first adjusting roller 10 to move in the horizontal direction, the hydraulic telescopic rod 3 drives the second adjusting roller 9 to move in the horizontal direction, the cooperation of the first adjusting roller 10 and the second adjusting roller 9 realizes the tensioning of the pipe belt, improves the tensioning speed of the pipe belt, and improves the adaptability of the tensioning device.

[0028] The electrical components involved in the present application are all prior art, and those skilled in the art understand their connection methods. Those skilled in the art connect all electrical components in the present application with their adapted power sources through wires, and select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence are described below, and the working order of each electrical component is completed. The detailed connection method is a known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0029] In summary: the automatic tensioning device for the round pipe belt conveyor uses, the lower flat section of the conveying belt of the round pipe belt conveyor is located between the guide roller 2 and the detection roller 3, the positioning plate 6 is located between the upper flat section and the lower flat section of the conveying belt, and the first roller group is located on the side of the fixed frame 1 close to the transition section of the round pipe belt conveyor. The automatic tensioning device detects the force of the conveying belt acting on the detection roller 3 in real time when in use, and can determine whether the conveying belt needs to be tensioned according to the change of the force. If the conveying belt needs to be tensioned, the controller of the device controls the hydraulic telescopic rod 5 to drive the first adjusting roller 10 to move in the vertical direction until the force of the conveying belt acting on the detection roller 3 meets the requirements. If the pressure sensor 11 detects the pressure, the vertical end of the lifting plate 7 contacts the bottom of the positioning plate 6 at this time, and the first adjusting roller 10 cannot continue to move in the vertical direction. At this time, if the conveying belt needs to be tensioned, the controller of the device controls the hydraulic telescopic rod 2 and the hydraulic telescopic rod 3 to extend, the hydraulic telescopic rod 2 drives the first adjusting roller 10 to move horizontally, the hydraulic telescopic rod 3 drives the second adjusting roller 9 to move horizontally, and the moving directions of the first adjusting roller 10 and the second adjusting roller 9 are opposite. The first adjusting roller 10 and the second adjusting roller 9 can realize the tensioning of the conveying belt under the cooperation of the first adjusting roller 10 and the second adjusting roller 9 until the force of the conveying belt acting on the detection roller 3 meets the requirements.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and details are not described herein, the contents not described in detail in the description belong to the prior art known to the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An automatic tensioning device for a round pipe belt conveyor, comprising a detection guide structure and an adjustment structure, characterized in that: The detection guide structure comprises a fixed frame (1), one side of the fixed frame (1) is provided with a first roller group, the other side of the fixed frame (1) is provided with a second roller group, the first roller group and the second roller group each comprise a guide roller (2) and a detection roller (3), the guide roller (2) and the detection roller (3) are in a vertical distribution state, and the guide roller (2) is located above the detection roller (3), a pressure sensor one (13) is arranged on the fixed frame (1); The adjusting structure is arranged between the first roller group and the second roller group, the adjusting structure comprises a positioning plate (6), a hydraulic telescopic rod one (5), a first adjusting roller (10) and a second adjusting roller (9), the hydraulic telescopic rod one (5) is connected with the fixed frame (1) through a hydraulic telescopic rod two (4), two hydraulic telescopic rod ones (5) are connected through the positioning plate (6), the output shaft end of the hydraulic telescopic rod one (5) is connected with a lifting plate (7), the top of the lifting plate (7) is provided with a pressure sensor two (11), the end of the first adjusting roller (10) is movably connected with the top end of the lifting plate (7), the second adjusting roller (9) is connected with the other side of the top of the fixed frame (1) through a hydraulic telescopic rod three (8).

2. An automatic tensioning device for a round pipe belt conveyor according to claim 1, characterized in that: The lifting plate (7) is L-shaped, the horizontal end of the lifting plate (7) is connected with the output shaft end of the hydraulic telescopic rod one (5), the vertical end of the lifting plate (7) is located below the positioning plate (6), and the lifting plate (7) is located outside the fixed frame (1); the distance between the top of the vertical end of the lifting plate (7) and the top of the first adjusting roller (10) is not less than the thickness value of the round pipe belt conveyor belt.

3. An automatic tensioner for a round pipe belt conveyor according to claim 1, characterized in that: The extension direction of the hydraulic telescopic rod three (8) is opposite to the extension direction of the hydraulic telescopic rod two (4).

4. An automatic tensioner for a round pipe belt conveyor according to claim 1, characterized in that: The output shaft end of the hydraulic telescopic rod three (8) is connected with a moving frame (12), the end of the second adjusting roller (9) is movably connected with the side of the moving frame (12) close to the hydraulic telescopic rod two (4); the moving frame (12) is located inside the lifting plate (7).

5. An automatic tensioner for a round pipe belt conveyor according to claim 1, characterized in that: The second adjusting roller (9) is located below the side of the positioning plate (6) close to the second roller group, the distance between the second adjusting roller (9) and the first adjusting roller (10) is not less than the thickness value of the round pipe belt conveyor belt, and the sum of the thickness value of the round pipe belt conveyor belt and twice the outer diameter value of the first adjusting roller (10) is greater than the distance between the second adjusting roller (9) and the positioning plate (6).

6. An automatic tensioner for a round pipe belt conveyor according to claim 1, characterized in that: The end of the detection roller (3) is fixedly connected with a rotating roller (14), the fixed frame (1) is provided with a through hole, the rotating roller (14) is movably connected with the inner cavity of the through hole (15), the pressure sensor one (13) is arranged in the through hole (15), the detection end of the pressure sensor one (13) is in contact with the bottom of the rotating roller (14), and the two detection rollers (3) are at the same height, and the two guide rollers (2) are at the same height.

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